Visualize Latest Observations from the Ambient Weather Stations

Imports

import glob
import xarray as xr
from bokeh.models.formatters import DatetimeTickFormatter
import hvplot.xarray
import holoviews as hv
from distributed import Client
import warnings

warnings.filterwarnings("ignore")
hv.extension('bokeh')

Start up a Dask Cluster

client = Client()
client

Client

Client-60f99281-111c-11f0-8a85-000d3a13411c

Connection method: Cluster object	Cluster type: distributed.LocalCluster
Dashboard: http://127.0.0.1:8787/status

Cluster Info

LocalCluster

90f87022

Dashboard: http://127.0.0.1:8787/status	Workers: 4
Total threads: 4	Total memory: 15.62 GiB
Status: running	Using processes: True

Scheduler Info

Scheduler

Scheduler-e9e60cb4-f5d1-40cb-a123-a5c07422f22b

Comm: tcp://127.0.0.1:42963	Workers: 4
Dashboard: http://127.0.0.1:8787/status	Total threads: 4
Started: Just now	Total memory: 15.62 GiB

Workers

Worker: 0

Comm: tcp://127.0.0.1:36403	Total threads: 1
Dashboard: http://127.0.0.1:43893/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:37663
Local directory: /tmp/dask-scratch-space/worker-56f5zepi

Worker: 1

Comm: tcp://127.0.0.1:36217	Total threads: 1
Dashboard: http://127.0.0.1:36243/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:40009
Local directory: /tmp/dask-scratch-space/worker-pctp0kl3

Worker: 2

Comm: tcp://127.0.0.1:35969	Total threads: 1
Dashboard: http://127.0.0.1:38821/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:34141
Local directory: /tmp/dask-scratch-space/worker-gad56bbz

Worker: 3

Comm: tcp://127.0.0.1:37509	Total threads: 1
Dashboard: http://127.0.0.1:41591/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:42139
Local directory: /tmp/dask-scratch-space/worker-ftock2yh

Read the Sorted Data, Using the Last File

files = sorted(glob.glob('../../data/surface-meteorology/*/*/*/*.nc'))

ds = xr.open_mfdataset(files[-60:])

---------------------------------------------------------------------------
OSError                                   Traceback (most recent call last)
Cell In[3], line 3
      1 files = sorted(glob.glob('../../data/surface-meteorology/*/*/*/*.nc'))
----> 3 ds = xr.open_mfdataset(files[-60:])

File ~/miniconda3/envs/instrument-cookbooks-dev/lib/python3.10/site-packages/xarray/backends/api.py:1597, in open_mfdataset(paths, chunks, concat_dim, compat, preprocess, engine, data_vars, coords, combine, parallel, join, attrs_file, combine_attrs, **kwargs)
   1594 paths = _find_absolute_paths(paths, engine=engine, **kwargs)
   1596 if not paths:
-> 1597     raise OSError("no files to open")
   1599 paths1d: list[str | ReadBuffer]
   1600 if combine == "nested":

OSError: no files to open

Plot the Data

formatter = DatetimeTickFormatter(hours="%d %b %Y \n %H:%M UTC")

variables = ['outdoor_temperature', 'outdoor_dewpoint', 'hourlyrainin', 'solarradiation']

panels = []
for variable in variables:
    panels.append(ds[variable].hvplot.line(x='time', by='station', xformatter=formatter))
hv.Layout(panels).cols(1)